Tested in my lab.
A. This is the correct answer. Output looks the same on my 3650.
B. show authentication registrations = Shows clients registered with Session Manager
C. show authentication interface ? = Invalid syntax ?
D. show authentication sessions method = Incomplete Command
A, the [details] keyword displays multiline results.
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-xe-3se-3850-cr-book/sec-s1-xe-3se-3850-cr-book_chapter_01.html#wp3404908137
A is correct answer. Below is the command with all of its optional syntax. You can see that mac address is optional syntax
show authentication sessions [ handle handle-number | interface type number | mac mac-address | method method-name interface type number | session-id session-id ]
https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-xe-3se-3850-cr-book/sec-s1-xe-3se-3850-cr-book_chapter_01.html#wp3404908137
A is the correct answer (it is a valid command)
C would have been a correct answer as well but it is missing the (session) keyword, hence wrong command.
C is the correct answer.
show authentication session : Gives output of all authenticated devices. Not the output shown in question.
show authentication registration : Shows auth methods registered with auth manager.
The output shown is from show authentication interface command.
Reference : https://www.cisco.com/c/en/us/td/docs/ios-xml/ios/security/s1/sec-s1-xe-3se-3850-cr-book/sec-s1-xe-3se-3850-cr-book_chapter_01.html
C is the Correct answer
show authentication interface gigabitethernet2/0/36
cause the other commands are wrong or they produce different and incomplete output
show authentication sessions mac H.H.H details is a valid command
upvoted 8 times
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